From: Andi Kleen <ak@suse.de>
To: Linus Torvalds <torvalds@osdl.org>
Cc: Ingo Molnar <mingo@elte.hu>,
Eric Rannaud <eric.rannaud@gmail.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>,
nagar@watson.ibm.com, Chandra Seetharaman <sekharan@us.ibm.com>,
Jan Beulich <jbeulich@novell.com>
Subject: Re: BUG-lockdep and freeze (was: Arrr! Linux 2.6.18) II
Date: Sun, 1 Oct 2006 00:09:30 +0200 [thread overview]
Message-ID: <200610010009.30123.ak@suse.de> (raw)
In-Reply-To: <200609302357.06215.ak@suse.de>
>
> BTW again let me repeat this particular issue wasn't in the unwinder
> itself, but just in the fallback-to-old code which didn't do enough
> sanity checks. So you can say it's not the new unwinder that
> crashed, but the old one here. I'll add more.
I double checked this now. This case Eric ran into should be already
fixed by a patch from Jan that went in before 2.6.18 even.
He just ran with an old kernel (2.6.18-rc3) that didn't have
that particular fix.
Still the kernel stack termination is probably a good idea. I think
(haven't tested) the current 2.6.18-git* code with termination
wouldn't have crashed, but reported a (incorrect) stuck.
-Andi
next prev parent reply other threads:[~2006-09-30 22:09 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-30 19:20 BUG-lockdep and freeze (was: Arrr! Linux 2.6.18) Eric Rannaud
2006-09-30 19:49 ` Peter Zijlstra
2006-09-30 20:23 ` Linus Torvalds
2006-09-30 20:57 ` Eric Rannaud
2006-09-30 19:54 ` Linus Torvalds
2006-09-30 20:21 ` Al Viro
2006-09-30 20:28 ` Linus Torvalds
2006-09-30 20:30 ` Andi Kleen
2006-09-30 20:47 ` Linus Torvalds
2006-09-30 20:49 ` Ingo Molnar
2006-09-30 21:11 ` Linus Torvalds
2006-09-30 21:25 ` Ingo Molnar
2006-09-30 21:57 ` Andi Kleen
2006-09-30 22:09 ` Andi Kleen [this message]
2006-09-30 22:19 ` BUG-lockdep and freeze (was: Arrr! Linux 2.6.18) II Eric Rannaud
2006-09-30 22:24 ` Andi Kleen
2006-09-30 22:54 ` BUG-lockdep and freeze (was: Arrr! Linux 2.6.18) Linus Torvalds
2006-10-04 9:21 ` Jan Beulich
2006-10-04 15:12 ` Linus Torvalds
2006-09-30 21:43 ` Eric Rannaud
2006-09-30 22:03 ` Andi Kleen
2006-09-30 21:56 ` Linus Torvalds
2006-09-30 22:02 ` Andi Kleen
2006-09-30 22:10 ` Ingo Molnar
2006-09-30 22:23 ` Andi Kleen
2006-09-30 22:55 ` Linus Torvalds
2006-09-30 22:59 ` Linus Torvalds
2006-09-30 23:56 ` Andi Kleen
2006-10-01 0:25 ` Linus Torvalds
2006-10-01 0:51 ` Linus Torvalds
2006-10-01 9:27 ` Andi Kleen
2006-10-04 9:25 ` Jan Beulich
2006-10-04 10:52 ` Andi Kleen
2006-10-04 11:58 ` Jan Beulich
2006-10-04 12:03 ` Andi Kleen
2006-10-04 12:10 ` Jan Beulich
2006-09-30 20:43 ` Linus Torvalds
2006-10-04 9:15 ` Jan Beulich
2006-09-30 20:13 ` Andrew Morton
2006-09-30 20:52 ` Eric Rannaud
2006-09-30 21:04 ` Andrew Morton
2006-09-30 22:00 ` Eric Rannaud
2006-09-30 22:05 ` Ingo Molnar
2006-10-01 0:59 ` Eric Rannaud
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